
//安全距离
.warp{
  width: 1100px;
  margin: 0 auto;
}



//flex
.flex{
  display: flex;
}

.flex-align-items-center{
  align-items: center;
}

.flex-space-between{
  justify-content: space-between;
}

//nav背景颜色
@navBg: #242424;
//nav高度
@navH: 70px;
